Cyrtochilum mystacinum Lindl. 1838 SECTION Aurieum

Photo by Guido Deburghgraeve


Drawing by Bennett & Christenson

Common Name The Mustache Cyrtochilum [refers to the callus at the base of the lip]

Flower Size 1.2" [3 cm]

Found in Peru and Bolivia on steep grassy slopes at elevations over 2600 meters as a small sized, cold growing terrestrial with an ovoid, sulcate, obtuse angled pseudobulb enveloped basally by 1 or more foliaceous sheaths and carrying 2, apical, conduplicate, linear, acute leaves that blooms in the summer on an axillary, laxly racemose, peduncle to 24" [60 cm] long, rigid with distant, tubular bracts distanly few flowered inflorescence with infundibular, clasping floral bracts.

The Orchids of the Aureum group; C mystacinum has many short fingers at the base of the lip and C rigidum has none. C aureum is bicolored and has a crown of elongate fingers at the base of the lip and C cochleatum has 3 shorter fingers at the base of the lip.

Synonyms Odontoglossum mystacinum (Lindl.) Lindl. 1852; Oncidium mystacinum (Lindl.) Beer 1854;

References W3 Tropicos, Kew Monocot list , IPNI ; Orchids of Peru Vol 4 Schweinfurth 1961 as Odontoglossum mystacinum; Icones Orchidaceaarum Peruviarum Plate 134 Bennett & christenson 1993 drawing fide; The Pictoral Encyclopedia of Oncidium Zelenko 2002 as C aureum drawing fide; Machu Picchu Orchids Christenson 2003 as Odontoglossum mystacinum photo maybe; Orchid Species of Peru Zelenko Bermudez 2009 as C aureum Left photo fide; *Orchids[AOS] Vol 82, Pg 114 Dalstrom 2013 photos fide; LANKESTERIANA 20(1) Dalstrom & Trujillo 2020